A security camera in a neighborhood bank is mounted on a wall 9 ft above the floor. What angle of depression should be used if the camera is to be directed to a spot 6 ft. above the floor and 12 ft. from the wall?
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If you can find the value of theta if tantheta=1/4 then you can get the angle of dipression
bcoz I don't know the value of theta because I am in 10th
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